Window construction



April 13 {$1926.

5. B. ZIMM ER WINDOW CONSTRUCTION Filed Sept. 5 J

1923 2 Sheets-Shoot 1 Patented Apr. 13, 1926.

UNITED, STATES i or F l C -E. p

SAM IUEL 1a zmm-ER, or LOS ANGELES, 1CALIFGR'NIIA, AS$IGNOR iro .enrt'rnunn n.

ZIMMER, OE LOS ANGELES, CALIFORNIA.

wmnowfconsrmuo'rron.

Application filed September 5, 1923. Serial No."661,044.

To all'whom it may concern: I

Be it known that I, SAMUELB. ZIMMER, a citizen of the United States, residing at Los Angeles, in the county of Los Angeles 5 and'State of California, have invented new and useful Improvements in Window Construction, of which the following is a specification.

My present invention is a novel w ndow lo construction, andlit is an especial object of this inventionto provide a window'whose casing and sashframes shall both be formed of metal, and which shall nevertheless be 1 especially adapted to use in school buildings, or the like, in which both adequate illumina tion and adequate ventilation may be required. i i

It is an object of this invention to provide a fireproof window construction com-* prising a casmg which may be formed of sheet metal in a manner adapting the same to be employed either in wooden buildings or in stone or concrete or other buildings; and it is a further object of this invention to associate with the mentioned sheet metal casings, each sectionof which may be formed either from a singlepiece of sheet metal or from a'plurality of pieces suitably bent and associated as hereinafter described, sash frames preferably formed of T-bars and adapted to interfit therewith. It is a further object of my invention to provide a window comprising] a pair of counterbalanced sash capable of movement in a common plane and preferably, associated with two additional sash, one of whichmay be positioned above the said pair of counterbalanced 'sashand' offset relatively thereto, the other additional sash being preferably placed below the mentioned pair of counterbalanced sash and ofl'setinan opposite direction, the last mentioned sash being optionallypivoted on a horizontal axis and in such manner as to permit of its employment as a deflecting plate, effective to prevent a direct draft'upon, for example, a pupil who may be seated nearthe same. f

It is a further'object of my invention to provide a casing adapted toguide counter.- ba-lanced sash of the character referredto and partiallyor completelyto house a suit able pulley and a-chain'orjother flexible element by which such sash may be connected;

and my preferred construction 'may 00mg prise also a lock by which the respective sash may be securely but releasably con nected atwill, and also suitable lip mem bers,'preferably in the form of angleirons,

adapted to form-aweather-tight"joint between the respective counterbalanced; sash and'the addltional sash arranged above and below the same, as already mentioned.

Other objects of this invention, including the use of metal sash whose lateral" elements are arranged in a common vertical plane, and the use of a removable stop on the men tioned'metal casings or jambs, will be ap-f preciated upon a perusal of the following de scription and the appended olai;ms,'taken in connection with the accompanying drawings, in wh1ch 4 Fig.1 is a rear elevation, showing parts 7 of a Window comprising four sash and a portion of the jamb or casingcontiguous thereto, parts being broken away.

Fig. 2 is a corresponding vertical section taken at right angles to Fig. 1, and-showing diagrammatically the intended relationships of therespective sash referredto. i p Fig. 3 may be regarded as a somewhat diagrammatic sectionon aline such as the line 3-3 of Fig. 2,;and showing not only the respective sash but a preferred construction of sheet metaljamb or casing as the same maybe employed in a woodenbuilding; v Fig: at is a similar showing but indicating the adaptation ofmy metallic windowconstruction to. use in concreteor other fireproof building. i i

Fig. 5 is a similar section, but" showing the use of atWo-part sheet metal jamb.

Referring in detail to the parts of that specificembodiment of my invention shown in Figs. 1-4, l'may be ajamb comprising the usual four elements connected toforrn a rectangular frame or opening and shown as preferably provided upon its front or eX-.

terior surface with a plurality'offofisets A,

Band C, and at its rear surface-with corresponding offsets A, B and C, the respective parallel surfaces A and Abeing spaced apart a distance adapting my jamb to be used in either a wooden or aconcrete building, and the space between the parallel surfaces B and B" being preferably approximately equivalent to the length of an ordinary brick, whereas the distance between the surfaces 0 and (3' may correspond approximately to the length of the stem. section of a T- bar -2, from which the respective sash comprised in my window may be formed.

Vhen jambs of my preferred design are to'be embodied in a wooden bu'ilding, a

suitable relationship thereof to the vertical studs 3 and the sheathing elements 4 being suggested in Fig. 3, the respective 'ja'mbs may be secured by means such as the nai-lsb, which may be covered in any suitable way, asby strips 6.;- I

a-relat-ive v movement ina plane parallel with the plane of the uppermost sashZ. I may provide flexible means such as the chain 9 shown as passing over a pulley 10 arranged to rotate in the same plane as said sash and as secured in the transom-bar or frame head 11, one end of thisrchain being shown as secured to the sash 8 by a hook 12, and the otherend thereof being housed in a chain pocket 13, formed by securinga suitably bent and cooperating piece of sheet metal constituting a removable stop 14; to the face E of the jamb l, as; best shown in Fig. 3;

' and the return lap of the mentioned chain may besecuredat l5 ato'the lower counterbalancedsash 8i, in suchmanner that whenever movement is imparted-to either the sash 8 or the sash 8, an oppositemovement must be transmitted to the other of these counter: balanced sash-which are shown as provided with an easily releasable lock 16, and witha lip member 17, shown as securcd fto' movable sash 8, -in order to exclude the weather.

The lowermostsash 18rof-the four sashes which I prefer to employ in each complete window is preferably pivoted, as at 19, upon a horizontal pivot, and in such manner as to permit'the'top of the same to swing inward, thereby providing an upwardly inclined windsdeflecting surface, adapted, in a known manner, to permit of the ventilation of .a room without causing an undesirable draft.

' This lowermostsash 18, when closed, may be adapted to abut against the surface F of the housing element 14, which serves also to guide or retain the respective counterbal anced sash and'to provide the mentioned chain pocket 13. The uppermost sash 7 being permanently secured in any suitable.

way, as by means of bolts 20, andthe pivoted sash 18 being secured bymeans of the hinges 19, and the respective counterbalanced sash beingsecured and guided in the manner described, and provided with-the mentioned lip 17, it will be obvious that the'additional lip elements 21 and 22, secured respectively to the upperniost' of the counterbalanced sash and to the pivoted sash 18, each of these ele ments being preferably in the form of a section of angle iron, all cooperate with one another and withthe described jamb construction to effect a weather-tight window construction which is adapted for use. in various types of building and in the'providing of light and air by means of openings of any desired size.

One mode of construction to employment in a concrete building is suggested in Fig. 4, a concrete wall being indicated at 23, and suitable project-ions, such as bricks. 2 1 embedded in the concrete and properly aligned to fill the in-,

terval between the parallel faces B and B of my jamb being indicated at 24. And

alternative mode of bending the sheet metal is also indicated in this figure.

In Fig. 5 I have shown an alternative type of jamb, suitable for use in connection with various types of windows compr sing apair of counterbalanced sash and one or more additionalsash placed. above or below the sanie, the j amb being, however, in this case formed of two sections"25 and 26, adapted to be secured to a wooden stud 27 by means such as the screws 28, and together constituting a pocket 29 for the chain 9 secured at 15 to a counterbalance-d sash 8, this sash being guided by the extension of one branch of the T-bar which constitutes its stile through a gap'or opening .30: between the respective sheet metal sections 25 and 26 constituting my two-partjamb;

From one point of iew, alltypes of jamb herein referred to may properly be char-' acteriz ed-as two-part jambs, it being understood that-the jambs referred to in Figs. 1-4.- comprise removable stop elements which mayconstitute complete subsidiary frames, and the jamb shown in Fig. 5 may be regarded as consisting of two complete frames separatedby the gap or slot 30, intowhich extendlateral wings or extensions 31, in-

tegral with .thestiles 32, formed of T-bars'; and these T -bar stiles may be permitted either. to contact with one another, in the manner best shown in Fig. 8, or they may be arranged to "contact. with suitable fins 3 3, 33"}, shown as formedupon the respective jamb frames'34, 35, which are shown in Fig. 4 as secured together byscrews -36,

1 It is a vnotable advantage -of-the type of ,jamb constructionshown infFig, 5 that the respective jamb frames25 and 26 may be separately brought, from opposite directions, into positionupon opposite faces of a; wall provided wit a suitable window opening; and among the further notable adaptation of my casement advantages of my described construction are the facts that my jambs may be used either alone or with a backing of rough lumber, or the like, and the fact that the construction of these jambs is such as completely to obviate the necessity for a premature or factory assembly of all sash within the respective jambs,it being entirely possible to handle my jamb frames and my sash as separate units, which may optionally be provided at the factory or elsewhere with suitable coatings of enamel or protective metal, or the like, and which .may thereafterbe assembled on a job, in substantially the same way that wooden jambs and sash have heretofore been put in place. The movable stops or frames 14 and 25 and 35 are of course intended to be adjusted to their proper position after the counterbalanced sash are hung, in a manner permitting lips 21, 22 to overlie rails 87, 38.

Although one or more pair of counterbalanced sash of my improved design may obviously be associated with any desired number of fixed or movable additional sash, I consider it distinctly advantageous to adapt my sash to separate in opening,and also distinctly advantageous, both from the standpoint of economy in glazing and from the standpoint of resulting artistic appearance, to employ sash of uniform dimensions and having an even sash or putty line throughout, my preferred construction being such that the respective sash may be brought at will into substantial coincidence, with their corresponding stiles in a common vertical plane at right angles to the planes of the sash.

Although I have herein described one complete embodiment of my invention, suggesting also various modifications and specific applications thereof, it should be understood not only that numerous features of my invention are capable of independent use but also that various additional modifications thereof might be made by those skilled in the art without departing from the spirit and scope of my invention as the same is indicated above and in the following claims.

What I claim is: v v 1 1; In a window, a pair of oppositely movable sash arranged in the same vertical plane and supportedbya flexible element, one lap of which is concealed in a housing formed of sheet metal and constituting a removable stop. "2. A window construction comprising a window frame having at least four equally sized sash therein arranged in three parallel planes, the central plane of which is determined by stops and contains two centrally located sash, means for counterbalancing said centrally located sash, and means for separating said centrally located sash where: by they may assume positions coincident with each of the remaining sash.

3. window construction comprising at least four equally sized sash within a frame, said frame having side jambs forming a guideway for two of the said sash which are centrally located, means for counterbalancing said centrally located sash, said means permitting said sash to separate,

whereby said centrally located sash assume positions coincident with the remaining sash.

4. A window construction including three sash, two of which are slidable in the same plane, and the remaining sash being mounted for pivotal movement and disposed in a different but parallel plane.

.5. A window construction including a first sash arranged in one plane, a pair of sash slidably mounted in a second parallel plane, and a fourth sash disposed in a third parallel plane, said fourth sash being pivotally mounted to swing out of its respective plane.

In testimony whereof I have signed my name to this specification;

" SAMUEL B. ZIMMER. 

